Siemens M7-400 Manual De Usuario
Analog Modules
5-78
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Terminal Assignment Diagram of the SM 431; AI 8
14 Bit
Thermocouples
Voltage measurement
Current measurement
Voltage measurement
Current measurement
Resistance measurement
Resistance thermometer
Resistance thermometer
M1+
M2–
M3–
M4–
M5–
M6–
M7–
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
L+
V
V
V
M
Tr
Tr
L+
M0+
M0–
M0–
M1–
M2+
M3+
M4+
M5+
M6+
M7+
M
M0+
M0–
M0–
IC0+
IC0–
IC0–
M1+
M1–
M1–
IC1+
IC1–
IC1–
M2+
M2–
M2–
IC2+
IC2–
IC2–
M3+
M3–
M3–
IC3+
IC3–
IC3–
M
CH0
CH2
CH4
CH6
29
30
31
32
33
34
35
36
37
30
31
32
33
34
35
36
37
39
40
41
42
43
44
45
46
47
48
40
41
42
43
44
45
46
47
48
38
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Word 0
Word 2
Word 4
Word 6
Word 8
Word 10
Word 12
Word 14
Word 0
Word 4
Word 8
Word 12
Figure 5-28
Terminal Assignment Diagram of the SM 431; AI 8 x 14 Bit